Below is a video production by the Boulder County (Colorado) on their single stream recycling (which includes glass) as they move toward zero waste. You can read more about the video in the "about" section of the video. Visit the eco-cycle web site and surf, surf, surf. Bookmark and read their blog. Also visit the Boulder Colorado environment site. Again - surf, surf, surf.
See too their page on sustainability. They have a great definition for sustainability:
"Sustainability means “The use, development and protection of resources in a way that enables Boulder County residents to meet their needs and maintain a high quality of life, without compromising the ability of future residents to do the same.” Boulder County values balancing a strong economy, protection of the environment and social equity."
Here's the video. Discussion about glass recycling being at about 10:45 minutes. That's right. They successfully recycle glass: